linux-firmware: amd64-microcode: Remove TARGET_x86 dependency
Build the amd64-microcode package on all architectures even if it only
makes sense to use it on x86. If the package build is done by a builder
not building for x86 it will not include the package otherwise.
Link: https://github.com/openwrt/openwrt/pull/16031
Signed-off-by: Hauke Mehrtens <[email protected]>